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 (kə-tŏp′trĭk) also ca·top·tri·cal (-trĭ-kəl)
Of or relating to mirrors and reflected images.

[Greek katoptrikos, from katoptron, mirror; see okw- in Indo-European roots.]

ca·top′trics n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(General Physics) (functioning as singular) the branch of optics concerned with reflection, esp the formation of images by mirrors
[C18: from Greek katoptrikos, from katoptron mirror]
caˈtoptric, caˈtoptrical adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(kəˈtɒp trɪks)

n. (used with a sing. v.)
the branch of optics dealing with the formation of images by mirrors.
[1560–70; < Greek katoptrikós <kátoptr(on) mirror (kat- cat- + op- see (compare diopter, optic)]
ca•top′tric, ca•top′tri•cal, adj.
ca•top′tri•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


the study of light reflection. — catoptric, catoptrical, adj. — catoptrically, adv.
See also: Light
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.catoptrics - branch of optics dealing with formation of images by mirrors
optics - the branch of physics that studies the physical properties of light
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
De Beni offers, for example, Enrique Rambal's use of a series of projections and catoptrics in order to exhibit the accident of the Orient Express caused by Dracula while presenting his supernatural stokerian drama.
--the move from the catoptrics (i.e., the branch of optics dealing with reflection) of the spectacle to the dioptrics (i.e., the branch of optics dealing with refraction) of control (p.
Later work on catoptrics shows that there is a precise geometry to the angles and apparent distances at which objects appear 'behind' the mirror, a phenomenon that Aristotle's account ignores.